US4329779A - Methods of applying circuit elements to a substrate - Google Patents

Methods of applying circuit elements to a substrate Download PDF

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Publication number
US4329779A
US4329779A US06/123,773 US12377380A US4329779A US 4329779 A US4329779 A US 4329779A US 12377380 A US12377380 A US 12377380A US 4329779 A US4329779 A US 4329779A
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US
United States
Prior art keywords
substrate
circuit
circuit element
carrier substrate
pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/123,773
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English (en)
Inventor
Eric H. England
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NATIONAL RESEARCH DEVELOPMENT ORGANISATION PO BOX 236 KINGSGATE HOUSE 66/74 VICTORIA ST LONDON SW1E 6SL ENGLAND
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Assigned to NATIONAL RESEARCH DEVELOPMENT ORGANISATION THE, PO BOX 236 KINGSGATE HOUSE, 66/74 VICTORIA ST. LONDON SW1E 6SL, ENGLAND reassignment NATIONAL RESEARCH DEVELOPMENT ORGANISATION THE, PO BOX 236 KINGSGATE HOUSE, 66/74 VICTORIA ST. LONDON SW1E 6SL, ENGLAND ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ENGLAND, ERIC H.
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Publication of US4329779A publication Critical patent/US4329779A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/702—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof of thick-or thin-film circuits or parts thereof
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N97/00—Electric solid-state thin-film or thick-film devices, not otherwise provided for
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092—Dispersed materials, e.g. conductive pastes or inks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0302—Properties and characteristics in general
    • H05K2201/0317—Thin film conductor layer; Thin film passive component
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09236—Parallel layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0147—Carriers and holders
    • H05K2203/0156—Temporary polymeric carrier or foil, e.g. for processing or transferring
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
    • H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y10T29/49144—Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion

Definitions

  • This invention relates to methods of applying circuit elements to a substrate.
  • the invention is particularly, concerned with microwave microelectronic circuits or microwave integrated circuits (MICs) of the kind in which a number of active and/or passive circuit elements and their interconnecting patterns are formed on a single substrate, usually of a material having a relatively high dielectric constant, such as high alumina ceramics material whose dielectric constant is about 10.
  • MICs microwave microelectronic circuits or microwave integrated circuits
  • MICs of this kind are generally fabricated by either thin film technology or thick film technology.
  • Thin film technology generally involves the deposition in a vacuum, of thin films of conductive, resistive or insulating materials by sputtering, evaporation or chemical vapour deposition.
  • Thick film technology on the other hand involves the deposition of pastes, or "inks", usually by a silk screen process followed by firing at high temperature. Where different types of pastes are used, eg to give resistors, conductors or insulating layers, more than one cycle of screen printing and firing is usually required. Further definition of the screen-printed pattern can be effected by etching back after firing.
  • Thick film technology has the advantage of being relatively inexpensive, particularly in quantity production, but the screen printing process used for printing the thick film patterns has inherent limitations on the precision with which patterns can be defined.
  • Conductor line widths can only be produced to an accuracy of approximately 20 ⁇ m at best, and the line edges may be somewhat irregular unless etching or laser trimming is used.
  • Minimum line widths and line spacing are generally both limited to approximately 40 ⁇ m.
  • a method of applying a circuit element to a substrate comprises forming the circuit element on the face of a carrier substrate, placing the carrier substrate face down onto the surface of a second substrate and attaching the circuit element to the second substrate.
  • the circuit element is formed by thin film fabrication techniques, and may comprise a metallisation pattern defining a distributed microwave circuit element such as a filter.
  • the second or main substrate may comprise a thick film substrate, a thin film substrate or a printed circuit board.
  • the invention enables individual high definition circuit elements formed by thin film circuit techniques to be inserted in a partially completed circuit otherwise fabricated using lower definition techniques, such as thick film, lower definition thin film, or printed circuit board techniques.
  • the circuit element may be attached to the second or main substrate using an adhesive, excess adhesive preferably being exuded before setting by applying pressure between the two substrates.
  • the carrier substrate is removed after attachment of the circuit element to the second substrate, for example, by dissolving, etching or peeling, following which any required electrical connections between the circuit element and other circuitry carried on the second substrate may be made.
  • the circuit element may be attached in a position adjacent an existing conductor pattern on the second substrate, and electrical connection made therebetween by tape or wire bonding, or soldering.
  • the circuit element may be formed with one or more contact areas which, when located on the second substrate, overlap contact areas provided in the second substrate. Following removal of the carrier substrate, the overlapping contact areas may be electrically connected eg by ultrasonic bonding or conductive adhesive.
  • the carrier substrate is preferably transparent, and may also be flexible to facilitate removal of excess adhesive, where adhesive is used to attach the circuit element to the second substrate.
  • the second substrate itself may be transparent
  • the carrier substrate is a biaxially orientated polystyrene material, being transparent and readily available in flexible sheet form.
  • a cyano-acrylate adhesive may then be used as the attachment adhesive and the carrier substrate subsequently removed using a suitable hydrocarbon solvent.
  • the invention also extends to circuit substrates incorporating one or more circuit elements applied thereto by a method as aforesaid.
  • FIGS. 1(a) to 1(d) show diagrammatic sectional views of various stages in a method in accordance with the present invention of transferring a pre-formed thin film circuit element onto a thick film circuit substrate;
  • FIG. 2 shows a diagrammatic plan view of the thin film circuit element located on the thick film circuit substrate.
  • FIG. 1 shows part of a thick film microwave integrated circuit (MIC) 1 comprising a substrate 2 of high dielectric constant material, such as alumina, formed in known manner with a ground plane conductor 3 on one surface and on its other surface with a thick film microwave circuit pattern including a strip transmission line (microstrip line) 4.
  • the microstrip line 4 is formed with a gap d for receiving a pre-formed high definition distributed microwave circuit element 5.
  • the circuit element 5, in this example a parallel gap filter is formed using standard thin film techniques, on a carrier substrate 6 (FIG. 1(a)) comprising a 250 ⁇ m thick flexible sheet of clear biaxially orientated polystyrene material, such as that sold under the Registered Trade Mark "POLYFLEX".
  • a carrier substrate 6 comprising a 250 ⁇ m thick flexible sheet of clear biaxially orientated polystyrene material, such as that sold under the Registered Trade Mark "POLYFLEX”.
  • a number of identical such metallised circuit elements may be deposited on a common piece of carrier substrate using step and repeat processes, and the carrier substrate then cut up into individual "chip" form.
  • the circuit element 5 is then attached to the thick film substrate 2 by placing the carrier substrate 6 onto the thick film circuit substrate 2 in a suitably aligned position across the gap d in the transmission line 4, such that contact areas 8 (FIG. 2) of the circuit element 5 overlap the ends of the transmission line 4, a layer 9 of a suitable adhesive being applied between the substrate 2 and the parts of the circuit element 5 which do not overlap the transmission line 4. (FIG. 1(b)).
  • the alignment of the circuit element 5 is facilitated by the transparency of the carrier substrate material. Excess adhesive between the contact element 5 and the substrate 2 is exuded by squeezing the flexible carrier substrate 6 against the thick film substrate 2 using, for example, a resilient roller whose width is slightly smaller than the width of the gap d.
  • the adhesive is then set and the carrier substrate 6 removed by dissolving it in a suitable solvent which does not attack the adhesive.
  • a suitable solvent which does not attack the adhesive.
  • trichloroethylene may be used as the solvent, with a cyano-acrylate adhesive which appears to combine good microwave properties with a resistance to attack by the solvent.
  • the unattached contact areas 8 of the circuit element 5 which now loosely overlap the ends of the transmission line 4 may then be permanently connected to the transmission line using any suitable electrical bonding technique such as ultrasonic bonding.
  • any suitable electrical bonding technique such as ultrasonic bonding.
  • this is not essential. In the example of FIG. 2 which shows a dc blocking filter, no electrical bonding is necessary as the overlap areas provide sufficient, probably capacitive, coupling to the filter at operating frequencies.
  • the entire circuit element 5 may be attached to the thick film substrate 2 without any overlap with the transmission line, and with contact areas positioned adjacent the ends of the transmission line 4 so that they can be electrically connected by conventional wire or tape bonding techniques.
  • microstrip design data can be used for design purposes because there is minimal disturbance of the microstrip environment.
  • the invention thus enables precision circuit elements having the high definition achievable with thin film fabrication techniques to be incorporated in circuits made by methods which do not achieve the same precision, such as thick film circuits, low definition thin film circuits and copper laminate type printed circuit boards such as Polyguide (Registered Trade Mark) for microwave applications.
  • precision circuit elements may be produced on individual carrier substrates, ie in "chip” form, and used in similar manner to known chip devices.
  • chips carrier substrates
  • different complex circuit functions can be made available for incorporation on a common circuit substrate design to obtain different operating characteristics.
  • the carrier substrate need not be removed.
  • One such application of the invention in which it may even be desirable to retain the carrier substrate is in stub tuning of MICs. At present only destructive "one way" trimming of fixed position stubs is possible.
  • a suitably dimensioned open circuit stub line on a carrier substrate, eg a sheet of biaxially oriented polystyrene as before, this substrate can then be positioned face down onto the appropriate part of a transmission line and adjusted in position to obtain the desired characteristic.
  • Metal-to-metal contact between the transmission line and the stub formed on the carrier substrate is normally satisfactory for test purposes during adjustment, which can be effected to vary the length of the stub and its position along the transmission line.
  • adhesive is applied to the non overlapping region of the stub line and the stub line attached to the transmission line substrate in the desired position. Permanent electrical connection between the overlapping regions of the stub line and transmission line may then be effected using a conductive adhesive.
  • the carrier substrate may be temporarily attached to a low dielectric constant "probe", for example of foam polystyrene, which is removed after attachment of the stub to the transmission line circuit.
  • a low dielectric constant "probe" for example of foam polystyrene
  • the carrier substrate is of transparent flexible sheet material, removed by dissolving in a suitable solvent
  • the invention is not limited to carrier substrates of this type.
  • a transparent carrier substrate is advantageous for alignment purposes, it is not essential and non-transparent substrates may be used.
  • the use of a flexible carrier substrate is useful, particularly where areas of the circuit element formed thereon are required to overlap metallised areas on the receiving substrate, the use of flexible carrier substrates is not essential.
  • the carrier substrate may be removed by etching or it may simply be peeled off depending on the form of carrier substrate and the materials used.
  • other forms of adhesive may be used to attach the circuit element to the second substrate.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Combinations Of Printed Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Waveguides (AREA)
US06/123,773 1979-02-26 1980-02-20 Methods of applying circuit elements to a substrate Expired - Lifetime US4329779A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7906701 1979-02-26
GB7906701 1979-02-26

Publications (1)

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US4329779A true US4329779A (en) 1982-05-18

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US (1) US4329779A (de)
EP (1) EP0015100B1 (de)
DE (1) DE3064555D1 (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415607A (en) * 1982-09-13 1983-11-15 Allen-Bradley Company Method of manufacturing printed circuit network devices
US4571826A (en) * 1984-11-19 1986-02-25 At&T Teletype Corporation Method of manufacturing a thermal print head
US4610062A (en) * 1982-12-02 1986-09-09 Honeywell Inc. Method of making an acoustic microphone
US4616413A (en) * 1982-03-23 1986-10-14 Thomson-Csf Process for manufacturing printed circuits with an individual rigid conductive metallic support
US4635346A (en) * 1983-11-11 1987-01-13 Kabushiki Kaisha Toshiba Method for producing hybrid integrated circuit
US4694572A (en) * 1986-06-13 1987-09-22 Tektronix, Inc. Printed polymer circuit board method
US4753694A (en) * 1986-05-02 1988-06-28 International Business Machines Corporation Process for forming multilayered ceramic substrate having solid metal conductors
US4788767A (en) * 1987-03-11 1988-12-06 International Business Machines Corporation Method for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US4832761A (en) * 1985-08-26 1989-05-23 Itt Gallium Arsenide Technology Center, A Division Of Itt Corporation Process for manufacturing gallium arsenide monolithic microwave integrated circuits using nonphotosensitive acid resist for handling
US4869767A (en) * 1985-05-03 1989-09-26 Hallmark Cards, Incorporated Process for placing single or multiple patterned layers of conductive material on a substrate
US4881050A (en) * 1988-08-04 1989-11-14 Avantek, Inc. Thin-film microwave filter
US4944908A (en) * 1988-10-28 1990-07-31 Eaton Corporation Method for forming a molded plastic article
US4992129A (en) * 1984-11-15 1991-02-12 Ajinomoto Co., Inc. Transfer printing method
US5045141A (en) * 1988-07-01 1991-09-03 Amoco Corporation Method of making solderable printed circuits formed without plating
US5074035A (en) * 1989-07-19 1991-12-24 Excello Circuits Method of making thin film laminate printed circuit
US5149387A (en) * 1991-05-06 1992-09-22 Administrator Of The National Aeronautics And Space Administration Flush mounting of thin film sensors
US5159535A (en) * 1987-03-11 1992-10-27 International Business Machines Corporation Method and apparatus for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US5170931A (en) * 1987-03-11 1992-12-15 International Business Machines Corporation Method and apparatus for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US5541366A (en) * 1994-12-12 1996-07-30 M-Rad Electromagnetic Technology Ltd. Foam printed circuit substrates
US6027958A (en) * 1996-07-11 2000-02-22 Kopin Corporation Transferred flexible integrated circuit
US6159323A (en) * 1997-12-02 2000-12-12 Commissariat A L'energie Atomique Process for selective transfer of a microstructure formed on an initial substrate to a final substrate
US20050158668A1 (en) * 2004-01-16 2005-07-21 Fujifilm Electronic Imaging Ltd. Method of forming a mask pattern on a substrate
US20070126444A1 (en) * 2002-01-22 2007-06-07 Tokyo Electron Limited Probe with trapezoidal contactor and device based on application thereof, and method of producing them
US20080191362A1 (en) * 2007-02-14 2008-08-14 Advanced Semiconductor Engineering, Inc. Semiconductor package having impedance matching device
US20110000060A1 (en) * 2009-07-06 2011-01-06 KAIST (Korea Advanced Institute of Science and Technology) Flexible piezoelectric device and flexible capacitor manufactured by the same, and manufacturing method for flexible sensors
US20130075023A1 (en) * 2011-09-26 2013-03-28 Sumitomo Electric Industries, Ltd. Method for bonding thin film piece

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524705A1 (fr) * 1982-03-30 1983-10-07 Lignes Telegraph Telephon Procede composite de fabrication de circuit hybride et circuit hybride obtenu par un tel procede
US4616408A (en) * 1982-11-24 1986-10-14 Hewlett-Packard Company Inversely processed resistance heater
EP0113950B1 (de) * 1982-11-24 1989-03-29 Hewlett-Packard Company Verfahren zum Herstellen einer Widerstandsheizvorrichtung
US4734563A (en) * 1982-11-24 1988-03-29 Hewlett-Packard Company Inversely processed resistance heater
US8338754B2 (en) 2010-04-30 2012-12-25 Lincoln Global, Inc. Common tool center point consumables

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US2794788A (en) * 1952-11-01 1957-06-04 Eastman Kodak Co Adhesive compositions containing alkyl esters of cyanoacrylic acid
US3456335A (en) * 1965-07-17 1969-07-22 Telefunken Patent Contacting arrangement for solidstate components
US3566315A (en) * 1967-12-29 1971-02-23 Lockheed Aircraft Corp Strip line electrical filter element
FR2065090A5 (de) * 1969-10-08 1971-07-23 Western Electric Co
US3605045A (en) * 1969-01-15 1971-09-14 Us Navy Wide-band strip line frequency-selective circuit
US3614832A (en) * 1966-03-09 1971-10-26 Ibm Decal connectors and methods of forming decal connections to solid state devices
US3711778A (en) * 1970-03-18 1973-01-16 Sperry Rand Corp Microwave microcircuit
US3762040A (en) * 1971-10-06 1973-10-02 Western Electric Co Method of forming circuit crossovers
US3859723A (en) * 1973-11-05 1975-01-14 Microsystems Int Ltd Bonding method for multiple chip arrays

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US3785895A (en) * 1969-09-25 1974-01-15 Vitta Corp Tape transfer of sinterable conductive,semiconductive or insulating patterns to electronic component substrates
US3655496A (en) * 1969-09-25 1972-04-11 Vitta Corp Tape transfer of sinterable conductive, semiconductive or insulating patterns to electronic component substrates

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794788A (en) * 1952-11-01 1957-06-04 Eastman Kodak Co Adhesive compositions containing alkyl esters of cyanoacrylic acid
US3456335A (en) * 1965-07-17 1969-07-22 Telefunken Patent Contacting arrangement for solidstate components
US3614832A (en) * 1966-03-09 1971-10-26 Ibm Decal connectors and methods of forming decal connections to solid state devices
US3566315A (en) * 1967-12-29 1971-02-23 Lockheed Aircraft Corp Strip line electrical filter element
US3605045A (en) * 1969-01-15 1971-09-14 Us Navy Wide-band strip line frequency-selective circuit
FR2065090A5 (de) * 1969-10-08 1971-07-23 Western Electric Co
US3711778A (en) * 1970-03-18 1973-01-16 Sperry Rand Corp Microwave microcircuit
US3762040A (en) * 1971-10-06 1973-10-02 Western Electric Co Method of forming circuit crossovers
US3859723A (en) * 1973-11-05 1975-01-14 Microsystems Int Ltd Bonding method for multiple chip arrays

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616413A (en) * 1982-03-23 1986-10-14 Thomson-Csf Process for manufacturing printed circuits with an individual rigid conductive metallic support
US4415607A (en) * 1982-09-13 1983-11-15 Allen-Bradley Company Method of manufacturing printed circuit network devices
US4610062A (en) * 1982-12-02 1986-09-09 Honeywell Inc. Method of making an acoustic microphone
US4635346A (en) * 1983-11-11 1987-01-13 Kabushiki Kaisha Toshiba Method for producing hybrid integrated circuit
US4992129A (en) * 1984-11-15 1991-02-12 Ajinomoto Co., Inc. Transfer printing method
US4571826A (en) * 1984-11-19 1986-02-25 At&T Teletype Corporation Method of manufacturing a thermal print head
US4869767A (en) * 1985-05-03 1989-09-26 Hallmark Cards, Incorporated Process for placing single or multiple patterned layers of conductive material on a substrate
US4832761A (en) * 1985-08-26 1989-05-23 Itt Gallium Arsenide Technology Center, A Division Of Itt Corporation Process for manufacturing gallium arsenide monolithic microwave integrated circuits using nonphotosensitive acid resist for handling
US4753694A (en) * 1986-05-02 1988-06-28 International Business Machines Corporation Process for forming multilayered ceramic substrate having solid metal conductors
US4694572A (en) * 1986-06-13 1987-09-22 Tektronix, Inc. Printed polymer circuit board method
US4788767A (en) * 1987-03-11 1988-12-06 International Business Machines Corporation Method for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US5159535A (en) * 1987-03-11 1992-10-27 International Business Machines Corporation Method and apparatus for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US5170931A (en) * 1987-03-11 1992-12-15 International Business Machines Corporation Method and apparatus for mounting a flexible film semiconductor chip carrier on a circuitized substrate
US5045141A (en) * 1988-07-01 1991-09-03 Amoco Corporation Method of making solderable printed circuits formed without plating
US4881050A (en) * 1988-08-04 1989-11-14 Avantek, Inc. Thin-film microwave filter
US4944908A (en) * 1988-10-28 1990-07-31 Eaton Corporation Method for forming a molded plastic article
US5074035A (en) * 1989-07-19 1991-12-24 Excello Circuits Method of making thin film laminate printed circuit
US5149387A (en) * 1991-05-06 1992-09-22 Administrator Of The National Aeronautics And Space Administration Flush mounting of thin film sensors
US5541366A (en) * 1994-12-12 1996-07-30 M-Rad Electromagnetic Technology Ltd. Foam printed circuit substrates
US6027958A (en) * 1996-07-11 2000-02-22 Kopin Corporation Transferred flexible integrated circuit
US6159323A (en) * 1997-12-02 2000-12-12 Commissariat A L'energie Atomique Process for selective transfer of a microstructure formed on an initial substrate to a final substrate
US20070126444A1 (en) * 2002-01-22 2007-06-07 Tokyo Electron Limited Probe with trapezoidal contactor and device based on application thereof, and method of producing them
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EP0015100B1 (de) 1983-08-17
DE3064555D1 (en) 1983-09-22
EP0015100A1 (de) 1980-09-03

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